Eroare de compilare: user.cpp:12:1: error: ‘unordered_map’ in namespace ‘std::tr1’ does not name a type tr1::unordered_map <long long, bool> vasile; ^ user.cpp: In function ‘int main()’: user.cpp:25:9: error: ‘vasile’ was not declared in this scope vasile[x] = 1; ^ user.cpp:28:9: error: ‘vasile’ was not declared in this scope if (vasile.find(a) != vasile.end()) ^ user.cpp:34:9: error: ‘vasile’ was not declared in this scope if (vasile.find(b) != vasile.end()) ^ user.cpp:45:13: error: ‘vasile’ was not declared in this scope if (vasile.find(x) != vasile.end()) ^